extents

英 [ɪksˈtɛnts]

美 [ɪkˈstɛnts]

n.  程度; 限度; 大小; 面积; 范围
extent的复数

计算机

双语例句

• Given this behaviour ensure that there are a reasonable number of secondary extents.
  此行为可确保有合理数量的次扩展。
• Although you can allocate additional extents, the blocks themselves are allocated separately.
  尽管你可以进行额外的扩展，但是块本身是被隔开分派的。
• Subsidies are used to varying extents in both market economies and in command economies.
  在市场经济和指令性经济中都存在不同范围的补贴。
• The extents of the viewport can be anything you want them to be.
  viewport的扩展可以是您希望的任何东西。
• When using circular logging log file extents are reused once they no longer contain active log data.
  使用循环日志记录时，当日志文件扩展不再包括活动数据日志时，会将其进行重新使用。
• RESULTS Twenty dermal ulcer patients recovered, 6 mummification necrosis patients improved at some extents.
  结果26例中有20例皮肤溃疡者基本痊愈，6例干性坏疽者有不同程度的好转。
• Log file extents can be specified as primary or secondary.
  日志文件扩展可以指定为主扩展或次扩展。
• The second problem, of course, is that a table or an index with many highly active extents will suffer from performance degradation due to increased disk head movement and increased contention for head positioning with other objects in the database.
  当然，第二个问题是，有很多高度活跃的盘区的一个表或索引将遭遇性能降低，因为磁头移动的增加和磁头与数据库中其他对象的位置争用的增加。
• This feature checks the consistency and the corruption on data and extents, which is currently done through the oncheck utility.
  这个特性检查数据和区段的一致性和损坏，当前这是通过oncheck实用程序完成的。
• It also includes extents with multi-block and delayed block allocation for performance.
  它还包括多块和延迟块分配，以提升性能。